SAMS Teach Yourself PHP in 24 Hours 2nd (2002).pdf

Matt Zandstra

Teach Yourself

PHP

24 Hours

SECOND EDITION

800 East 96th St.,Indianapolis,Indiana,46240 USA

Sams Teach Yourself PHP in 24 Hours,

Second Edition

retrieval system, or transmitted by any means, electronic, mechanical, photo-

copying, recording, or otherwise, without written permission from the pub-

lisher. No patent liability is assumed with respect to the use of the information

contained herein. Although every precaution has been taken in the preparation

of this book, the publisher and author assume no responsibility for errors or

omissions. Nor is any liability assumed for damages resulting from the use of

the information contained herein.

A CQUISITIONS E DITOR

Scott D. Meyers

D EVELOPMENT E DITORS

Scott D. Meyers

Jill Hayden

M ANAGING E DITOR

Charlotte Clapp

I NDEXER

D&G Limited, LLC

P ROOFREADER

D&G Limited, LLC

T ECHNICAL E DITOR

Andrei Zmievski

T EAM C OORDINATOR

Amy Patton

I NTERIOR D ESIGNER

Gary Adair

C OVER D ESIGNER

Aren Howell

P RODUCTION

D&G Limited, LLC

International Standard Book Number: 0-672-32311-7

Library of Congress Catalog Card Number: 2001096665

Printed in the United States of America

First Printing: December 2001

4321

Trademarks

All terms mentioned in this book that are known to be trademarks or service

marks have been appropriately capitalized. Sams Publishing cannot attest to the

accuracy of this information. Use of a term in this book should not be regarded

as affecting the validity of any trademark or service mark.

Warning and Disclaimer

Every effort has been made to make this book as complete and as accurate as

possible, but no warranty or fitness is implied. The information provided is on

an “as is” basis. The author and the publisher shall have neither liability nor

responsibility to any person or entity with respect to any loss or damages aris-

ing from the information contained in this book or from the use of the pro-

grams accompanying it.

Contents at a Glance

Introduction

Part I Getting Started

Hour 1

PHP: From Homepage to Portal

2 stalling PHP

3A First Script

Part II The Language

Hour 4

The Building Blocks

Going with the Flow

Functions

7A ays

Objects

119

Part III Working with PHP

147

Hour 9

Working with Forms

149

Working with Files

169

Working with DBA Functions

189

Database Integration—SQL

207

Beyond the Box

235

Images On-the-Fly

255

Working with Dates and Times

277

Working with Data

297

Working with Strings

319

Working with Regular Expressions

341

Saving State with Cookies and Query Strings

361

Saving State with Session Functions

379

Working with the Server Environment

393

PHP 4 and XML

407

Part IV Extending PHP

429

Hour 23

Smarty: A Template Engine

431

An Example: Page.inc.php

451

Glossary

473

Index

481

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